2020 โมดูลอัลตราโซนิก Hc-Sr04 Sr04 4Pin Hy-Srf05 Srf05 5Pin เซ็นเซอร์วัดระยะทาง

Detecting range: 3cm-4M Best in 30 degree angle Electronic brick compatible interface 5VDC power supply Breadboard friendly Dual transducer library ready Specification: Working Voltage: 5V (DC) Static current: Less than 2mA. Output signal: Electric frequency signal, high level 5V, low level 0V. Sensor angle: Not more than 15 degrees. Detection distance: 2cm-450cm. High precision: Up to 0.3cm Working tempter:-20C___+60C Weight: 10g Size: 45x 21mm (L x W) SR04 Connector 4Pin: VCC Echo OUT GND SRF05 Connector 5Pin: VCC Trig (T) Echo(R) OUT GND